org.apache.struts.taglib.logic
public class MessagesPresentTag extends ConditionalTagBase
true
if an ActionMessages
class or a
class that can be converted to an ActionMessages
class is in
request scope under the specified key and there is at least one message in the
class or for the property specified.
Since: Struts 1.1
Version: $Rev: 54929 $ $Date: 2004-10-16 17:38:42 +0100 (Sat, 16 Oct 2004) $
Field Summary | |
---|---|
protected String | message
If this is set to 'true', then the Globals.MESSAGE_KEY will
be used to retrieve the messages from scope. |
Constructor Summary | |
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MessagesPresentTag() |
Method Summary | |
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protected boolean | condition()
Evaluate the condition that is being tested by this particular tag,
and return true if the nested body content of this tag
should be evaluated, or false if it should be skipped.
|
protected boolean | condition(boolean desired)
Evaluate the condition that is being tested by this particular tag,
and return true if there is at least one message in the
class or for the property specified.
|
String | getMessage() |
void | release()
Release all allocated resources. |
void | setMessage(String message) |
Globals.MESSAGE_KEY
will
be used to retrieve the messages from scope.true
if the nested body content of this tag
should be evaluated, or false
if it should be skipped.
This method must be implemented by concrete subclasses.
Throws: JspException if a JSP exception occurs
true
if there is at least one message in the
class or for the property specified.
This method must be implemented by concrete subclasses.
Parameters: desired Desired outcome for a true result
Throws: JspException if a JSP exception occurs